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/*
* Created by Phil Nash on 04/03/2012.
* Copyright (c) 2012 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_MATCHERS_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_MATCHERS_HPP_INCLUDED
namespace Catch {
namespace Matchers {
namespace Impl {
namespace Generic {
template<typename ExpressionT> class AllOf;
template<typename ExpressionT> class AnyOf;
template<typename ExpressionT> class Not;
}
template<typename ExpressionT>
struct Matcher : SharedImpl<IShared>
{
typedef ExpressionT ExpressionType;
virtual ~Matcher() {}
virtual Ptr<Matcher> clone() const = 0;
virtual bool match( ExpressionT const& expr ) const = 0;
virtual std::string toString() const = 0;
Generic::AllOf<ExpressionT> operator && ( Matcher<ExpressionT> const& other ) const;
Generic::AnyOf<ExpressionT> operator || ( Matcher<ExpressionT> const& other ) const;
Generic::Not<ExpressionT> operator ! () const;
};
template<typename DerivedT, typename ExpressionT>
struct MatcherImpl : Matcher<ExpressionT> {
virtual Ptr<Matcher<ExpressionT> > clone() const {
return Ptr<Matcher<ExpressionT> >( new DerivedT( static_cast<DerivedT const&>( *this ) ) );
}
};
namespace Generic {
template<typename ExpressionT>
class Not : public MatcherImpl<Not<ExpressionT>, ExpressionT> {
public:
explicit Not( Matcher<ExpressionT> const& matcher ) : m_matcher(matcher.clone()) {}
Not( Not const& other ) : m_matcher( other.m_matcher ) {}
virtual bool match( ExpressionT const& expr ) const CATCH_OVERRIDE {
return !m_matcher->match( expr );
}
virtual std::string toString() const CATCH_OVERRIDE {
return "not " + m_matcher->toString();
}
private:
Ptr< Matcher<ExpressionT> > m_matcher;
};
template<typename ExpressionT>
class AllOf : public MatcherImpl<AllOf<ExpressionT>, ExpressionT> {
public:
AllOf() {}
AllOf( AllOf const& other ) : m_matchers( other.m_matchers ) {}
AllOf& add( Matcher<ExpressionT> const& matcher ) {
m_matchers.push_back( matcher.clone() );
return *this;
}
virtual bool match( ExpressionT const& expr ) const
{
for( std::size_t i = 0; i < m_matchers.size(); ++i )
if( !m_matchers[i]->match( expr ) )
return false;
return true;
}
virtual std::string toString() const {
std::ostringstream oss;
oss << "( ";
for( std::size_t i = 0; i < m_matchers.size(); ++i ) {
if( i != 0 )
oss << " and ";
oss << m_matchers[i]->toString();
}
oss << " )";
return oss.str();
}
AllOf operator && ( Matcher<ExpressionT> const& other ) const {
AllOf allOfExpr( *this );
allOfExpr.add( other );
return allOfExpr;
}
private:
std::vector<Ptr<Matcher<ExpressionT> > > m_matchers;
};
template<typename ExpressionT>
class AnyOf : public MatcherImpl<AnyOf<ExpressionT>, ExpressionT> {
public:
AnyOf() {}
AnyOf( AnyOf const& other ) : m_matchers( other.m_matchers ) {}
AnyOf& add( Matcher<ExpressionT> const& matcher ) {
m_matchers.push_back( matcher.clone() );
return *this;
}
virtual bool match( ExpressionT const& expr ) const
{
for( std::size_t i = 0; i < m_matchers.size(); ++i )
if( m_matchers[i]->match( expr ) )
return true;
return false;
}
virtual std::string toString() const {
std::ostringstream oss;
oss << "( ";
for( std::size_t i = 0; i < m_matchers.size(); ++i ) {
if( i != 0 )
oss << " or ";
oss << m_matchers[i]->toString();
}
oss << " )";
return oss.str();
}
AnyOf operator || ( Matcher<ExpressionT> const& other ) const {
AnyOf anyOfExpr( *this );
anyOfExpr.add( other );
return anyOfExpr;
}
private:
std::vector<Ptr<Matcher<ExpressionT> > > m_matchers;
};
} // namespace Generic
template<typename ExpressionT>
Generic::AllOf<ExpressionT> Matcher<ExpressionT>::operator && ( Matcher<ExpressionT> const& other ) const {
Generic::AllOf<ExpressionT> allOfExpr;
allOfExpr.add( *this );
allOfExpr.add( other );
return allOfExpr;
}
template<typename ExpressionT>
Generic::AnyOf<ExpressionT> Matcher<ExpressionT>::operator || ( Matcher<ExpressionT> const& other ) const {
Generic::AnyOf<ExpressionT> anyOfExpr;
anyOfExpr.add( *this );
anyOfExpr.add( other );
return anyOfExpr;
}
template<typename ExpressionT>
Generic::Not<ExpressionT> Matcher<ExpressionT>::operator ! () const {
return Generic::Not<ExpressionT>( *this );
}
namespace StdString {
inline std::string makeString( std::string const& str ) { return str; }
inline std::string makeString( const char* str ) { return str ? std::string( str ) : std::string(); }
struct CasedString
{
CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity )
: m_caseSensitivity( caseSensitivity ),
m_str( adjustString( str ) )
{}
std::string adjustString( std::string const& str ) const {
return m_caseSensitivity == CaseSensitive::No
? toLower( str )
: str;
}
std::string toStringSuffix() const
{
return m_caseSensitivity == CaseSensitive::No
? " (case insensitive)"
: "";
}
CaseSensitive::Choice m_caseSensitivity;
std::string m_str;
};
struct Equals : MatcherImpl<Equals, std::string> {
Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
: m_data( str, caseSensitivity )
{}
Equals( Equals const& other ) : m_data( other.m_data ){}
virtual ~Equals();
virtual bool match( std::string const& expr ) const {
return m_data.m_str == m_data.adjustString( expr );;
}
virtual std::string toString() const {
return "equals: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
}
CasedString m_data;
};
struct Contains : MatcherImpl<Contains, std::string> {
Contains( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
: m_data( substr, caseSensitivity ){}
Contains( Contains const& other ) : m_data( other.m_data ){}
virtual ~Contains();
virtual bool match( std::string const& expr ) const {
return m_data.adjustString( expr ).find( m_data.m_str ) != std::string::npos;
}
virtual std::string toString() const {
return "contains: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
}
CasedString m_data;
};
struct StartsWith : MatcherImpl<StartsWith, std::string> {
StartsWith( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
: m_data( substr, caseSensitivity ){}
StartsWith( StartsWith const& other ) : m_data( other.m_data ){}
virtual ~StartsWith();
virtual bool match( std::string const& expr ) const {
return startsWith( m_data.adjustString( expr ), m_data.m_str );
}
virtual std::string toString() const {
return "starts with: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
}
CasedString m_data;
};
struct EndsWith : MatcherImpl<EndsWith, std::string> {
EndsWith( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
: m_data( substr, caseSensitivity ){}
EndsWith( EndsWith const& other ) : m_data( other.m_data ){}
virtual ~EndsWith();
virtual bool match( std::string const& expr ) const {
return endsWith( m_data.adjustString( expr ), m_data.m_str );
}
virtual std::string toString() const {
return "ends with: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
}
CasedString m_data;
};
} // namespace StdString
} // namespace Impl
// The following functions create the actual matcher objects.
// This allows the types to be inferred
template<typename ExpressionT>
inline Impl::Generic::Not<ExpressionT> Not( Impl::Matcher<ExpressionT> const& m ) {
return Impl::Generic::Not<ExpressionT>( m );
}
template<typename ExpressionT>
inline Impl::Generic::AllOf<ExpressionT> AllOf( Impl::Matcher<ExpressionT> const& m1,
Impl::Matcher<ExpressionT> const& m2 ) {
return Impl::Generic::AllOf<ExpressionT>().add( m1 ).add( m2 );
}
template<typename ExpressionT>
inline Impl::Generic::AllOf<ExpressionT> AllOf( Impl::Matcher<ExpressionT> const& m1,
Impl::Matcher<ExpressionT> const& m2,
Impl::Matcher<ExpressionT> const& m3 ) {
return Impl::Generic::AllOf<ExpressionT>().add( m1 ).add( m2 ).add( m3 );
}
template<typename ExpressionT>
inline Impl::Generic::AnyOf<ExpressionT> AnyOf( Impl::Matcher<ExpressionT> const& m1,
Impl::Matcher<ExpressionT> const& m2 ) {
return Impl::Generic::AnyOf<ExpressionT>().add( m1 ).add( m2 );
}
template<typename ExpressionT>
inline Impl::Generic::AnyOf<ExpressionT> AnyOf( Impl::Matcher<ExpressionT> const& m1,
Impl::Matcher<ExpressionT> const& m2,
Impl::Matcher<ExpressionT> const& m3 ) {
return Impl::Generic::AnyOf<ExpressionT>().add( m1 ).add( m2 ).add( m3 );
}
inline Impl::StdString::Equals Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
return Impl::StdString::Equals( str, caseSensitivity );
}
inline Impl::StdString::Equals Equals( const char* str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
return Impl::StdString::Equals( Impl::StdString::makeString( str ), caseSensitivity );
}
inline Impl::StdString::Contains Contains( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
return Impl::StdString::Contains( substr, caseSensitivity );
}
inline Impl::StdString::Contains Contains( const char* substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
return Impl::StdString::Contains( Impl::StdString::makeString( substr ), caseSensitivity );
}
inline Impl::StdString::StartsWith StartsWith( std::string const& substr ) {
return Impl::StdString::StartsWith( substr );
}
inline Impl::StdString::StartsWith StartsWith( const char* substr ) {
return Impl::StdString::StartsWith( Impl::StdString::makeString( substr ) );
}
inline Impl::StdString::EndsWith EndsWith( std::string const& substr ) {
return Impl::StdString::EndsWith( substr );
}
inline Impl::StdString::EndsWith EndsWith( const char* substr ) {
return Impl::StdString::EndsWith( Impl::StdString::makeString( substr ) );
}
} // namespace Matchers
using namespace Matchers;
} // namespace Catch
#endif // TWOBLUECUBES_CATCH_MATCHERS_HPP_INCLUDED
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